BE788482A - METHOD AND ARRANGEMENT FOR REDUCTION OF NOISE SIGNALS IN TRANSMISSION AT LOW FREQUENCY SIGNALS IN, IN TIME, COMPRESSED FORM - Google Patents

METHOD AND ARRANGEMENT FOR REDUCTION OF NOISE SIGNALS IN TRANSMISSION AT LOW FREQUENCY SIGNALS IN, IN TIME, COMPRESSED FORM

Info

Publication number
BE788482A
BE788482A BE788482DA BE788482A BE 788482 A BE788482 A BE 788482A BE 788482D A BE788482D A BE 788482DA BE 788482 A BE788482 A BE 788482A
Authority
BE
Belgium
Prior art keywords
reduction
arrangement
transmission
low frequency
time
Prior art date
Application number
Other languages
Dutch (nl)
Inventor
P Wolf
Original Assignee
P Wolf
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Publication of BE788482A publication Critical patent/BE788482A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/10—Arrangements for reducing cross-talk between channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Television Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Noise Elimination (AREA)
BE788482D 1971-09-07 METHOD AND ARRANGEMENT FOR REDUCTION OF NOISE SIGNALS IN TRANSMISSION AT LOW FREQUENCY SIGNALS IN, IN TIME, COMPRESSED FORM BE788482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2144638A DE2144638B2 (en) 1971-09-07 1971-09-07 Method for reducing interference signals when transmitting LF signals in time-compressed form

Publications (1)

Publication Number Publication Date
BE788482A true BE788482A (en) 1973-03-07

Family

ID=5818835

Family Applications (1)

Application Number Title Priority Date Filing Date
BE788482D BE788482A (en) 1971-09-07 METHOD AND ARRANGEMENT FOR REDUCTION OF NOISE SIGNALS IN TRANSMISSION AT LOW FREQUENCY SIGNALS IN, IN TIME, COMPRESSED FORM

Country Status (16)

Country Link
US (1) US3823380A (en)
JP (1) JPS5135814B2 (en)
AT (1) AT315261B (en)
AU (1) AU4643972A (en)
BE (1) BE788482A (en)
BR (1) BR7206181D0 (en)
CH (1) CH545559A (en)
DE (1) DE2144638B2 (en)
DK (1) DK131839C (en)
ES (1) ES406446A1 (en)
FR (1) FR2152704A1 (en)
GB (1) GB1402458A (en)
IT (1) IT982452B (en)
NL (1) NL7212146A (en)
SE (1) SE373258B (en)
ZA (1) ZA726005B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229828A (en) * 1977-12-23 1980-10-21 Hughes Aircraft Company Bi-mode millimeter wave mixer
US4340975A (en) * 1979-10-09 1982-07-20 Matsushita Electric Industrial Company, Limited Microwave mixing circuit and a VHF-UHF tuner having the mixing circuit
JPS56129375U (en) * 1980-03-04 1981-10-01
JPS59111441A (en) * 1982-12-17 1984-06-27 Sony Corp Privacy telephone system of sound signal
JPS60102074A (en) * 1983-11-09 1985-06-06 Nec Corp Television video signal scrambling system
US4605961A (en) * 1983-12-22 1986-08-12 Frederiksen Jeffrey E Video transmission system using time-warp scrambling
US4677693A (en) * 1985-01-25 1987-06-30 Alps Electric Co., Ltd. Frequency conversion circuit
JP3142220B2 (en) * 1995-03-30 2001-03-07 シャープ株式会社 Tuner

Also Published As

Publication number Publication date
DE2144638A1 (en) 1973-03-22
CH545559A (en) 1974-01-31
ZA726005B (en) 1973-05-30
GB1402458A (en) 1975-08-06
JPS5135814B2 (en) 1976-10-05
FR2152704A1 (en) 1973-04-27
US3823380A (en) 1974-07-09
AU4643972A (en) 1974-03-14
DE2144638B2 (en) 1974-07-11
SE373258B (en) 1975-01-27
DK131839B (en) 1975-09-08
NL7212146A (en) 1973-03-09
ES406446A1 (en) 1975-07-16
BR7206181D0 (en) 1973-08-30
IT982452B (en) 1974-10-21
DK131839C (en) 1976-02-09
JPS4873012A (en) 1973-10-02
AT315261B (en) 1974-05-27

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